我国西瓜种植面积及产量均居世界第一,年总产值达150亿元。然而我国的育种和品种水平还比较低。早在600 a(年)前就开始在中国栽培的南瓜,如今也遇到了同样的问题。 上海市农科院成功培育出中熟、优质、中果型的具有抗蔓枯病、枯萎病和炭瘟病的西瓜新品种“抗病948”,其品质、栽培性和抗病性均优于引进的品种。具有 China’s watermelon cultivation area and output rank first in the world, with a total output value of 15 billion yuan. However, the level of breeding and breed in our country is still relatively low. Pumpkins, which were cultivated in China as early as 600 years ago, now encounter the same problem. Shanghai Academy of Agricultural Sciences successfully cultivate middle-aged, high-quality, medium-sized fruit-resistant varieties of new watermelon resistance to gummy, blight and charcoal, “Disease 948”, and its quality, The introduction of varieties. have